Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2017
ProjectIce Harbor
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Oct 31)
Total Number of Fish Observed61961
Percent of Total Run Analyzed [Number Observed]10.35 % [6413]1
Temperature Exposure Index19.13 C
Percent of Fish Exposed [Number Exposed]83.1 % [5330]
Number of Days Fish Exposed88
Middle 80% of Run Period (Sep 14 - Oct 13)
Number of Fish Observed49998
Percent of Middle 80% of Run Analyzed [Number Observed]0.87 % [437]
Temperature Exposure Index20.8 C
Percent of Fish Exposed [Number Exposed]100 % [437]
Number of Days Fish Exposed1
Middle 50% of Run Period (Sep 22 - Oct 5)
Number of Fish Observed31322
Percent of Middle 50% of Run Analyzed [Number Observed]0 % [0]
Temperature Exposure IndexN/A C
Percent of Fish Exposed [Number Exposed]0 % [N/A]
Number of Days Fish ExposedN/A
Run Dates
First Day of RunApr 1
5% of Run passedSep 1
10% of Run passedSep 14
50% of Run passedSep 28
90% of Run passedOct 13
95% of Run passedOct 20
Last Day of RunOct 31
Date(s) When Temperature Crosses 15 C
Jun 12, Jun 16, Jun 18

1. Total Run Analyzed [6413] is less than total observed during the period [61961]. Only fish observed on days with River Parameter data are analyzed.